Mesa Verde: More Than Just Cliff Dwellings

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Startographic Layers Silt sandstone ______________________________ __ ____________ Shale

Geologic Time Not Exposed in Park Dakota Sandstone Slope-former; deep-water deposits, muds, silts, fine sands Mancos Shale Cliff-former; massive, fine, cross-bedded sands Point Lookout Sandstone Backshore and lagoonal deposits; silts, muds, sand, coal beds Menefee Cliff former; Thick accumulations of fine cross-bedded sand ans thin shale beds ob oscillating shoreline Barker Dome Tongue & Lower Member Cliff House Sandstone Mesa Verde Upper Creataceous Mesozoic Tertiaty Weathering of alcoves in cliff walls Headward erosion of canyons Uplift and tilting; isolation of Mesa Verde cuesta by erosion Developmetn of pediment Uplift of La Plata and San Juan Mountains Uplift of Colorado Plateaus during Laramide orogeny Stream deposits, talus loess soil Pediment gravels, cobbles Quaternary Cenozoic Geological Events Member Formation Group Period Era

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Mesa Verde: More Than Just Cliff Dwellings

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